const state = {
  visitedViews: [],
  cachedViews: [],
  
}

const mutations = {
  ADD_VISITED_VIEW: (state, view) => {
    if (state.visitedViews.some(v => v.path === view.path)) return
    state.visitedViews.push(
      Object.assign({}, view, {
        title: view.meta.title || 'no-name'
      })
    )
  },
  ADD_CACHED_VIEW: (state, view) => {
    if (state.cachedViews.includes(view.name)) return
    if (!view.meta.noCache) {
      state.cachedViews.push(view.name)
    }
  },

 //  DEL_VISITED_VIEW: (state, view) => {
 //    for (const [i, v] of state.visitedViews.entries()) {
 //      if (v.path === view.path) {
 //        state.visitedViews.splice(i, 1)
 //        break
 //      }
 //    }
 //  },
 //  DEL_CACHED_VIEW: (state, view) => {
 //    const index = state.cachedViews.indexOf(view.name)
 //    index > -1 && state.cachedViews.splice(index, 1)
 //  },

 //  DEL_OTHERS_VISITED_VIEWS: (state, view) => {
 //    state.visitedViews = state.visitedViews.filter(v => {
 //      return v.meta.affix || v.path === view.path
 //    })
 //  },
 //  DEL_OTHERS_CACHED_VIEWS: (state, view) => {
 //    const index = state.cachedViews.indexOf(view.name)
 //    if (index > -1) {
 //      state.cachedViews = state.cachedViews.slice(index, index + 1)
 //    } else {
 //      state.cachedViews = []
 //    }
 //  },

 //  DEL_ALL_VISITED_VIEWS: state => {
 //    // keep affix tags
 //    const affixTags = state.visitedViews.filter(tag => tag.meta.affix)
 //    state.visitedViews = affixTags
 //  },
 //  DEL_ALL_CACHED_VIEWS: state => {
 //    state.cachedViews = []
 //  },

 //  UPDATE_VISITED_VIEW: (state, view) => {
	//   console.log(view);
 //    for (let v of state.visitedViews) {
 //      if (v.path === view.path) {
 //        v = Object.assign(v, view)
 //        break
 //      }
 //    }
	// console.log(state.visitedViews);
 //  },
  
  UPDATE_VISITED:(state,view)=>{
	  state.visitedViews = state.visitedViews.filter(item => item.name !== view)
  }
  
}

const actions = {
  addView({ dispatch }, view) {
	 
    dispatch('addVisitedView', view)
    dispatch('addCachedView', view)
	
  },
  addVisitedView({ commit }, view) {
    commit('ADD_VISITED_VIEW', view)
  },
  addCachedView({ commit }, view) {
    commit('ADD_CACHED_VIEW', view)
  },


  
 

  
  
 

 


  updateVisitedView({ commit }, view) {
    commit('UPDATE_VISITED', view)
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
